XML 90 R45.htm IDEA: XBRL DOCUMENT v2.3.0.15
Supplemental Cash Flow Information (Tables)
9 Months Ended
Sep. 30, 2011
Supplemental Cash Flow Information [Abstract] 
Supplemental cash flow information
                 
    Nine months ended September 30,  
    2011     2010  
    (In thousands)  

Interest paid

   $ 99,047       89,017  

Income taxes paid (refunded)

   $ 17,675       (6,602 ) 

Changes in accounts payable related to purchases of revenue earning equipment

   $ 83,937       33,808  

Operating and revenue earning equipment acquired under capital leases

   $ 1,187       106